674248428523 has 8 divisors (see below), whose sum is σ = 676823452848. Its totient is φ = 671674760544.

The previous prime is 674248428493. The next prime is 674248428583. The reversal of 674248428523 is 325824842476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 674248428523 - 2¹³ = 674248420331 is a prime.

It is a super-2 number, since 2×674248428523² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674248428583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662661 + ... + 1337017.

It is an arithmetic number, because the mean of its divisors is an integer number (84602931606).

Almost surely, 2^674248428523 is an apocalyptic number.

674248428523 is a deficient number, since it is larger than the sum of its proper divisors (2575024325).

674248428523 is a wasteful number, since it uses less digits than its factorization.

674248428523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678173.

The product of its digits is 20643840, while the sum is 55.

The spelling of 674248428523 in words is "six hundred seventy-four billion, two hundred forty-eight million, four hundred twenty-eight thousand, five hundred twenty-three".